{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Abrogation of p53 function by E6 resulted in an increase in the spontaneous mutation frequencies at the heterozygous thymidine kinase ( TK ) locus but not at the hemizygous hypoxanthine phosphoribosyl transferase ( HPRT ) locus ."}
{"GENE": ["p53", "E6", "thymidine kinase", "TK", "hypoxanthine phosphoribosyl transferase", "HPRT"]}